Balance Correction

The balance correction techniques and machinery Balance Engineering employs is capable of balancing a broad range of customer-specific parts and assemblies. Clients from many industries including aviation, power generation and pump manufactures depend on customized balancing techniques for critical parts.

The majority of balancing techniques Balance Engineering uses involves a metal removing process. We precisely define, locate and remove amounts of metal from a part through drilling, notching, grinding or milling.  In some instances, we can also add metal through welding to bring a part into balance. Because these techniques involved varying degrees of complexity, each technique is best used for only certain kinds of parts.

The following are the balancing corrections techniques used by Balance Engineering for standard and customized jobs.


  • Best used for crankshafts, engine dampers, and other rotating members with sufficient metal thickness to allow drilling without compromising component integrity.

The drilling process in a vertical or horizontal attitude removes metal for balance correction.  Balance Engineering’s preferred method for drilling is a newer technology called Minimum Quantity Lubrication drilling that forces small quantities of coolant through the drilling tool and directly into the drill hole during balance correction. The method allows faster drill speeds, shorter cycle times and enhanced extraction of drilling chips.


  • Typical parts utilizing grinding correction include flywheels, stators and brake discs.

Grinding involves abrasive removal of material from areas on the part and involves any number of different grinding tooling, depending on the part configuration and correction requirements.


  • Parts using this process include brake rotors, brake drums and stator assemblies, among others.

Milling to remove metal for balancing correction is generally employed for part configurations that do not lend themselves to any other metal removal correction process.

Nibbling / Notching

  • Parts suitable for nibbling or notching include various transmission components such as hubs or housings.

In this process, Balanced Engineering uses specialized tooling tooling to shear small sections of material from a part’s edge surface at calculated vectors to achieve specified balance. Normally accomplished in a horizontal attitude, nibbling/notching removes metal from the outside diameter of any given rotor in any number of heights, widths or depths.

Piercing / Punching

  • Parts utilizing this balancing correction technique include thinner metal components such as flywheels, hubs or housings.

For this technique, Balanced Engineering removes small sections of material from the part surface at pre-calculated vectors to achieve specific balance. Piercing or punching can be accomplished in either a horizontal or vertical attitude, employing any number of tooling shapes and sizes to extract material from a given part.


  • This metal addition process is best used on torque converters, turbine assemblies, axle/differential assemblies and driveshafts, among others.

To achieve balance correction, Balanced Engineering attaches pre-cut or variable length metal weights onto parts of the surface at pre-calculated vectors. We can employ several different methods for weld correction, including projection and spot welding.